Home / 13,301,477.64-18,354,479.72-7,499,913.39

Finding the Fourth Proportional to 13,301,477.64, 18,354,479.72 and 7,499,913.39

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Solution

The fourth proportional to 13,301,477.64, 18,354,479.72 and 7,499,913.39 is: 10,349,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301,477.64 : 18,354,479.72 = 7,499,913.39 : x
  2. Step 2: Convert to fraction form
    13,301,477.64/18,354,479.72 = 7,499,913.39/x
  3. Step 3: Cross multiply
    13,301,477.64x = 18,354,479.72 × 7,499,913.39
  4. Step 4: Simplify right side
    13,301,477.64x = 137,657,008,181,011.88
  5. Step 5: Solve for x
    x = 137,657,008,181,011.88/13,301,477.64
  6. Step 6: Final answer
    x = 10,349,001.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.